Nicolas Fatio de Duillier

Swiss mathematician

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June 25, 2026

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Nicolas Fatio de Duillier was a Swiss mathematician known for his close friendship with Isaac Newton. Their profound connection was a significant aspect of Newton's adult life. Fatio suggested Newton seek a position in London, which eventually led to Newton's appointment as Warden of the Mint in 1696. Fatio's personal and financial troubles later caused Newton considerable distress, and their close relationship eventually ended.1

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Isaac Newton
International prominence of Isaac Newton
His friendship with Fatio de Duillier, a Swiss-born mathematician resident in London who shared Newton’s interests, was the most profound experience of his adult life.
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His friendship with Fatio de Duillier, a Swiss-born mathematician resident in London who shared Newton’s interests, was the most profound experience of his adult life.
Read More